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Thermal Analysis of a Directly Grid-Fed Induction Machine With Floating Neutral Point, Operating Under Unbalanced Voltage Conditions

2019Journal article Restricted access
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dc.contributor.authorSantiago, Fábio Emanuel Pereira
dc.contributor.authorBento, Fernando
dc.contributor.authorCardoso, A. J. M.
dc.contributor.authorGyftakis, Konstantinos N.
dc.date.accessioned2020-01-10T17:24:09Z
dc.date.available2020-01-10T17:24:09Z
dc.date.issued2019
dc.description.abstractSignificant changes may occur in the thermal behavior of a directly grid-fed induction machine when subjected to unbalances in the voltage supply. This article studies and analyzes the thermal behavior of a low power, three-phase, squirrel-cage induction motor, connected in star configuration with floating neutral point, when subjected to different levels of unbalanced voltage. The dependence of the thermal motor behavior on the severity level of the unbalance is studied and analyzed. In addition to amplitude unbalances, this article focuses on the effects of phase unbalances, as well, which were not addressed in detail in previous published studies. Moreover, situations of mixed unbalance, where amplitude and phase unbalances occur simultaneously, are also studied. The finite element method was used to simulate the thermal behavior of the machine. The experimental setup consists of a three-phase programmable AC power supply, suitable to precisely emulate unbalanced conditions that may occur in real-scale power systems, supplying a 2.2 kW induction motor. Experimental data were acquired resorting to resistance temperature detectors PT100, placed in the machine phase whose supply current value changed the most. Finally, the simulation results are verified and critically discussed through experimentally obtained results.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/15325008.2019.1659451pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/8226
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relationEfficient and Reliable DC Electricity Distribution at Home and Offices
dc.relationElectromechatronic Systems Research Centre
dc.relationTolerância a falhas em conversores DC-DC aplicados em ambiente doméstico e em escritórios
dc.subjectFinite element methodpt_PT
dc.subjectInduction Machinept_PT
dc.subjectThermal behaviorpt_PT
dc.subjectVoltage unbalancept_PT
dc.titleThermal Analysis of a Directly Grid-Fed Induction Machine With Floating Neutral Point, Operating Under Unbalanced Voltage Conditionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEfficient and Reliable DC Electricity Distribution at Home and Offices
oaire.awardTitleElectromechatronic Systems Research Centre
oaire.awardTitleTolerância a falhas em conversores DC-DC aplicados em ambiente doméstico e em escritórios
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FEEI-EEE%2F29494%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEEA%2F04131%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_CENTRO/SFRH%2FBD%2F131002%2F2017/PT
oaire.citation.endPage1076pt_PT
oaire.citation.issue11-12pt_PT
oaire.citation.startPage1060pt_PT
oaire.citation.titleElectric Power Components and Systemspt_PT
oaire.citation.volume47pt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPOR_CENTRO
person.familyNameBento
person.familyNameMarques Cardoso
person.familyNameGyftakis
person.givenNameFernando
person.givenNameAntonio J.
person.givenNameKonstantinos N.
person.identifier.ciencia-id1F1B-14B8-0786
person.identifier.ciencia-id9A17-E3BF-2119
person.identifier.orcid0000-0002-7139-812X
person.identifier.orcid0000-0001-8737-6999
person.identifier.orcid0000-0002-9730-4267
person.identifier.ridAAE-5606-2019
person.identifier.scopus-author-id57195531505
person.identifier.scopus-author-id55989619000
person.identifier.scopus-author-id36650854600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofctCopyright cedido à editora no momento da publicaçãopt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication278ba834-1381-496d-b88a-c39d4e675c49
relation.isAuthorOfPublicationd6c2f04a-7c48-4ebe-bda1-65327586bc43
relation.isAuthorOfPublicationd8f76dcd-bd9d-46f7-9674-fda1e13c7a9f
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